check for updates and run the latest version. most of the crashes i see with firefox are because of adobe flash plugin. check you are running the latest flash update also.
Alternatively run google chrome.
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Team Yokomo - YZ-2CAL3 | YZ-2DTM3 | YZ-4SF2 | YZ-2T | YZ-2DTM Worlds | YZ-2DTM x2 | YRX-12 x2
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10electric | Batley Buggy Club | YORCC | RHR | MB Models
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